How to free up disk space in Ubuntu?

There are several ways to clean up disk space in Ubuntu.

1. Use the system’s built-in Disk Usage Analyzer tool to identify which files or folders are taking up a significant amount of disk space, and manually delete unnecessary files or move them to another location.
2. Use terminal commands to clean up temporary files and cache files. You can use the following commands to clear apt cache, old kernel files, temporary files, and so on.
3. Clearing unused packages and cleaning up temporary files can be achieved by running the following commands in the terminal:
   – sudo apt autoclean
   – sudo apt autoremove
   – sudo apt clean
   – sudo rm -rf /tmp/*
4. Clear your browser cache and history. Find the corresponding option in your browser to do so.
5. Use system tools such as BleachBit to clean up junk and cache files in the system.
6. If it is a server system, you can clean up log files and database backup files.
7. You can use the ‘du’ command to check the disk usage of a specific folder and then delete any unnecessary files.

Please be cautious when cleaning up disk space to ensure that you do not delete any important files or system files, in order to avoid causing system malfunctions.